[noun] [C] - a room in a school which is for the use of the teachers when they are not teachingShe knocked on the staffroom door and asked to see Mr Shaw, the drama teacher.(figurative) The government proposal to test 14-year-olds has been causing controversy in the staffroom (= among teachers).
STAFFROOM
Meaning of STAFFROOM in English
Cambridge English vocab. Кембриджский английский словарь. 2012